+// SPDX-License-Identifier: GPL-2.0+
/*
* SMSC LAN9[12]1[567] Network driver
*
* (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
*/
#include <common.h>
#include <command.h>
+#include <malloc.h>
#include <net.h>
#include <miiphy.h>
+#include <linux/io.h>
+#include <linux/types.h>
#include "smc911x.h"
-u32 pkt_data_pull(u32 addr) \
- __attribute__ ((weak, alias ("smc911x_reg_read")));
-void pkt_data_push(u32 addr, u32 val) \
- __attribute__ ((weak, alias ("smc911x_reg_write")));
+struct chip_id {
+ u16 id;
+ char *name;
+};
+
+struct smc911x_priv {
+#ifndef CONFIG_DM_ETH
+ struct eth_device dev;
+#endif
+ phys_addr_t iobase;
+ const struct chip_id *chipid;
+ unsigned char enetaddr[6];
+};
+
+static const struct chip_id chip_ids[] = {
+ { CHIP_89218, "LAN89218" },
+ { CHIP_9115, "LAN9115" },
+ { CHIP_9116, "LAN9116" },
+ { CHIP_9117, "LAN9117" },
+ { CHIP_9118, "LAN9118" },
+ { CHIP_9211, "LAN9211" },
+ { CHIP_9215, "LAN9215" },
+ { CHIP_9216, "LAN9216" },
+ { CHIP_9217, "LAN9217" },
+ { CHIP_9218, "LAN9218" },
+ { CHIP_9220, "LAN9220" },
+ { CHIP_9221, "LAN9221" },
+ { 0, NULL },
+};
+
+#define DRIVERNAME "smc911x"
+
+#if defined (CONFIG_SMC911X_32_BIT) && \
+ defined (CONFIG_SMC911X_16_BIT)
+#error "SMC911X: Only one of CONFIG_SMC911X_32_BIT and \
+ CONFIG_SMC911X_16_BIT shall be set"
+#endif
+
+#if defined (CONFIG_SMC911X_32_BIT)
+static u32 smc911x_reg_read(struct smc911x_priv *priv, u32 offset)
+{
+ return readl(priv->iobase + offset);
+}
-#define mdelay(n) udelay((n)*1000)
+static void smc911x_reg_write(struct smc911x_priv *priv, u32 offset, u32 val)
+{
+ writel(val, priv->iobase + offset);
+}
+#elif defined (CONFIG_SMC911X_16_BIT)
+static u32 smc911x_reg_read(struct smc911x_priv *priv, u32 offset)
+{
+ return (readw(priv->iobase + offset) & 0xffff) |
+ (readw(priv->iobase + offset + 2) << 16);
+}
+static void smc911x_reg_write(struct smc911x_priv *priv, u32 offset, u32 val)
+{
+ writew(val & 0xffff, priv->iobase + offset);
+ writew(val >> 16, priv->iobase + offset + 2);
+}
+#else
+#error "SMC911X: undefined bus width"
+#endif /* CONFIG_SMC911X_16_BIT */
-static int smx911x_handle_mac_address(bd_t *bd)
+static u32 smc911x_get_mac_csr(struct smc911x_priv *priv, u8 reg)
{
- unsigned long addrh, addrl;
- uchar m[6];
-
- if (eth_getenv_enetaddr("ethaddr", m)) {
- /* if the environment has a valid mac address then use it */
- addrl = m[0] | (m[1] << 8) | (m[2] << 16) | (m[3] << 24);
- addrh = m[4] | (m[5] << 8);
- smc911x_set_mac_csr(ADDRL, addrl);
- smc911x_set_mac_csr(ADDRH, addrh);
- } else {
- /* if not, try to get one from the eeprom */
- addrh = smc911x_get_mac_csr(ADDRH);
- addrl = smc911x_get_mac_csr(ADDRL);
-
- m[0] = (addrl ) & 0xff;
- m[1] = (addrl >> 8 ) & 0xff;
- m[2] = (addrl >> 16 ) & 0xff;
- m[3] = (addrl >> 24 ) & 0xff;
- m[4] = (addrh ) & 0xff;
- m[5] = (addrh >> 8 ) & 0xff;
-
- /* we get 0xff when there is no eeprom connected */
- if ((m[0] & m[1] & m[2] & m[3] & m[4] & m[5]) == 0xff) {
- printf(DRIVERNAME ": no valid mac address in environment "
- "and no eeprom found\n");
- return -1;
- }
+ while (smc911x_reg_read(priv, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
+ ;
+ smc911x_reg_write(priv, MAC_CSR_CMD,
+ MAC_CSR_CMD_CSR_BUSY | MAC_CSR_CMD_R_NOT_W | reg);
+ while (smc911x_reg_read(priv, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
+ ;
+
+ return smc911x_reg_read(priv, MAC_CSR_DATA);
+}
+
+static void smc911x_set_mac_csr(struct smc911x_priv *priv, u8 reg, u32 data)
+{
+ while (smc911x_reg_read(priv, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
+ ;
+ smc911x_reg_write(priv, MAC_CSR_DATA, data);
+ smc911x_reg_write(priv, MAC_CSR_CMD, MAC_CSR_CMD_CSR_BUSY | reg);
+ while (smc911x_reg_read(priv, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
+ ;
+}
+
+static int smc911x_detect_chip(struct smc911x_priv *priv)
+{
+ unsigned long val, i;
+
+ val = smc911x_reg_read(priv, BYTE_TEST);
+ if (val == 0xffffffff) {
+ /* Special case -- no chip present */
+ return -1;
+ } else if (val != 0x87654321) {
+ printf(DRIVERNAME ": Invalid chip endian 0x%08lx\n", val);
+ return -1;
+ }
- eth_setenv_enetaddr("ethaddr", m);
+ val = smc911x_reg_read(priv, ID_REV) >> 16;
+ for (i = 0; chip_ids[i].id != 0; i++) {
+ if (chip_ids[i].id == val) break;
+ }
+ if (!chip_ids[i].id) {
+ printf(DRIVERNAME ": Unknown chip ID %04lx\n", val);
+ return -1;
}
- printf(DRIVERNAME ": MAC %pM\n", m);
+ priv->chipid = &chip_ids[i];
return 0;
}
-static int smc911x_miiphy_read(u8 phy, u8 reg, u16 *val)
+static void smc911x_reset(struct smc911x_priv *priv)
{
- while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+ int timeout;
+
+ /*
+ * Take out of PM setting first
+ * Device is already wake up if PMT_CTRL_READY bit is set
+ */
+ if ((smc911x_reg_read(priv, PMT_CTRL) & PMT_CTRL_READY) == 0) {
+ /* Write to the bytetest will take out of powerdown */
+ smc911x_reg_write(priv, BYTE_TEST, 0x0);
+
+ timeout = 10;
+
+ while (timeout-- &&
+ !(smc911x_reg_read(priv, PMT_CTRL) & PMT_CTRL_READY))
+ udelay(10);
+ if (timeout < 0) {
+ printf(DRIVERNAME
+ ": timeout waiting for PM restore\n");
+ return;
+ }
+ }
+
+ /* Disable interrupts */
+ smc911x_reg_write(priv, INT_EN, 0);
+
+ smc911x_reg_write(priv, HW_CFG, HW_CFG_SRST);
+
+ timeout = 1000;
+ while (timeout-- && smc911x_reg_read(priv, E2P_CMD) & E2P_CMD_EPC_BUSY)
+ udelay(10);
+
+ if (timeout < 0) {
+ printf(DRIVERNAME ": reset timeout\n");
+ return;
+ }
+
+ /* Reset the FIFO level and flow control settings */
+ smc911x_set_mac_csr(priv, FLOW, FLOW_FCPT | FLOW_FCEN);
+ smc911x_reg_write(priv, AFC_CFG, 0x0050287F);
+
+ /* Set to LED outputs */
+ smc911x_reg_write(priv, GPIO_CFG, 0x70070000);
+}
+
+static void smc911x_handle_mac_address(struct smc911x_priv *priv)
+{
+ unsigned long addrh, addrl;
+ unsigned char *m = priv->enetaddr;
+
+ addrl = m[0] | (m[1] << 8) | (m[2] << 16) | (m[3] << 24);
+ addrh = m[4] | (m[5] << 8);
+ smc911x_set_mac_csr(priv, ADDRL, addrl);
+ smc911x_set_mac_csr(priv, ADDRH, addrh);
+
+ printf(DRIVERNAME ": MAC %pM\n", m);
+}
+
+static int smc911x_eth_phy_read(struct smc911x_priv *priv,
+ u8 phy, u8 reg, u16 *val)
+{
+ while (smc911x_get_mac_csr(priv, MII_ACC) & MII_ACC_MII_BUSY)
;
- smc911x_set_mac_csr(MII_ACC, phy << 11 | reg << 6 | MII_ACC_MII_BUSY);
+ smc911x_set_mac_csr(priv, MII_ACC, phy << 11 | reg << 6 |
+ MII_ACC_MII_BUSY);
- while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+ while (smc911x_get_mac_csr(priv, MII_ACC) & MII_ACC_MII_BUSY)
;
- *val = smc911x_get_mac_csr(MII_DATA);
+ *val = smc911x_get_mac_csr(priv, MII_DATA);
return 0;
}
-static int smc911x_miiphy_write(u8 phy, u8 reg, u16 val)
+static int smc911x_eth_phy_write(struct smc911x_priv *priv,
+ u8 phy, u8 reg, u16 val)
{
- while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+ while (smc911x_get_mac_csr(priv, MII_ACC) & MII_ACC_MII_BUSY)
;
- smc911x_set_mac_csr(MII_DATA, val);
- smc911x_set_mac_csr(MII_ACC,
+ smc911x_set_mac_csr(priv, MII_DATA, val);
+ smc911x_set_mac_csr(priv, MII_ACC,
phy << 11 | reg << 6 | MII_ACC_MII_BUSY | MII_ACC_MII_WRITE);
- while (smc911x_get_mac_csr(MII_ACC) & MII_ACC_MII_BUSY)
+ while (smc911x_get_mac_csr(priv, MII_ACC) & MII_ACC_MII_BUSY)
;
return 0;
}
-static int smc911x_phy_reset(void)
+static int smc911x_phy_reset(struct smc911x_priv *priv)
{
u32 reg;
- reg = smc911x_reg_read(PMT_CTRL);
+ reg = smc911x_reg_read(priv, PMT_CTRL);
reg &= ~0xfffff030;
reg |= PMT_CTRL_PHY_RST;
- smc911x_reg_write(PMT_CTRL, reg);
+ smc911x_reg_write(priv, PMT_CTRL, reg);
mdelay(100);
return 0;
}
-static void smc911x_phy_configure(void)
+static void smc911x_phy_configure(struct smc911x_priv *priv)
{
int timeout;
u16 status;
- smc911x_phy_reset();
+ smc911x_phy_reset(priv);
- smc911x_miiphy_write(1, PHY_BMCR, PHY_BMCR_RESET);
+ smc911x_eth_phy_write(priv, 1, MII_BMCR, BMCR_RESET);
mdelay(1);
- smc911x_miiphy_write(1, PHY_ANAR, 0x01e1);
- smc911x_miiphy_write(1, PHY_BMCR, PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
+ smc911x_eth_phy_write(priv, 1, MII_ADVERTISE, 0x01e1);
+ smc911x_eth_phy_write(priv, 1, MII_BMCR, BMCR_ANENABLE |
+ BMCR_ANRESTART);
timeout = 5000;
do {
if ((timeout--) == 0)
goto err_out;
- if (smc911x_miiphy_read(1, PHY_BMSR, &status) != 0)
+ if (smc911x_eth_phy_read(priv, 1, MII_BMSR, &status) != 0)
goto err_out;
- } while (!(status & PHY_BMSR_LS));
+ } while (!(status & BMSR_LSTATUS));
printf(DRIVERNAME ": phy initialized\n");
printf(DRIVERNAME ": autonegotiation timed out\n");
}
-static void smc911x_enable(void)
+static void smc911x_enable(struct smc911x_priv *priv)
{
/* Enable TX */
- smc911x_reg_write(HW_CFG, 8 << 16 | HW_CFG_SF);
+ smc911x_reg_write(priv, HW_CFG, 8 << 16 | HW_CFG_SF);
- smc911x_reg_write(GPT_CFG, GPT_CFG_TIMER_EN | 10000);
+ smc911x_reg_write(priv, GPT_CFG, GPT_CFG_TIMER_EN | 10000);
- smc911x_reg_write(TX_CFG, TX_CFG_TX_ON);
+ smc911x_reg_write(priv, TX_CFG, TX_CFG_TX_ON);
/* no padding to start of packets */
- smc911x_reg_write(RX_CFG, 0);
-
- smc911x_set_mac_csr(MAC_CR, MAC_CR_TXEN | MAC_CR_RXEN | MAC_CR_HBDIS);
+ smc911x_reg_write(priv, RX_CFG, 0);
+ smc911x_set_mac_csr(priv, MAC_CR, MAC_CR_TXEN | MAC_CR_RXEN |
+ MAC_CR_HBDIS);
}
-int eth_init(bd_t *bd)
+static int smc911x_init_common(struct smc911x_priv *priv)
{
- printf(DRIVERNAME ": initializing\n");
+ const struct chip_id *id = priv->chipid;
- if (smc911x_detect_chip())
- goto err_out;
+ printf(DRIVERNAME ": detected %s controller\n", id->name);
- smc911x_reset();
+ smc911x_reset(priv);
/* Configure the PHY, initialize the link state */
- smc911x_phy_configure();
+ smc911x_phy_configure(priv);
- if (smx911x_handle_mac_address(bd))
- goto err_out;
+ smc911x_handle_mac_address(priv);
/* Turn on Tx + Rx */
- smc911x_enable();
+ smc911x_enable(priv);
return 0;
-
-err_out:
- return -1;
}
-int eth_send(volatile void *packet, int length)
+static int smc911x_send_common(struct smc911x_priv *priv,
+ void *packet, int length)
{
u32 *data = (u32*)packet;
u32 tmplen;
u32 status;
- smc911x_reg_write(TX_DATA_FIFO, TX_CMD_A_INT_FIRST_SEG | TX_CMD_A_INT_LAST_SEG | length);
- smc911x_reg_write(TX_DATA_FIFO, length);
+ smc911x_reg_write(priv, TX_DATA_FIFO, TX_CMD_A_INT_FIRST_SEG |
+ TX_CMD_A_INT_LAST_SEG | length);
+ smc911x_reg_write(priv, TX_DATA_FIFO, length);
tmplen = (length + 3) / 4;
while (tmplen--)
- pkt_data_push(TX_DATA_FIFO, *data++);
+ smc911x_reg_write(priv, TX_DATA_FIFO, *data++);
/* wait for transmission */
- while (!((smc911x_reg_read(TX_FIFO_INF) & TX_FIFO_INF_TSUSED) >> 16));
+ while (!((smc911x_reg_read(priv, TX_FIFO_INF) &
+ TX_FIFO_INF_TSUSED) >> 16));
/* get status. Ignore 'no carrier' error, it has no meaning for
* full duplex operation
*/
- status = smc911x_reg_read(TX_STATUS_FIFO) & (TX_STS_LOC | TX_STS_LATE_COLL |
- TX_STS_MANY_COLL | TX_STS_MANY_DEFER | TX_STS_UNDERRUN);
+ status = smc911x_reg_read(priv, TX_STATUS_FIFO) &
+ (TX_STS_LOC | TX_STS_LATE_COLL | TX_STS_MANY_COLL |
+ TX_STS_MANY_DEFER | TX_STS_UNDERRUN);
if (!status)
return 0;
return -1;
}
-void eth_halt(void)
+static void smc911x_halt_common(struct smc911x_priv *priv)
{
- smc911x_reset();
+ smc911x_reset(priv);
+ smc911x_handle_mac_address(priv);
}
-int eth_rx(void)
+static int smc911x_recv_common(struct smc911x_priv *priv, u32 *data)
{
- u32 *data = (u32 *)NetRxPackets[0];
u32 pktlen, tmplen;
u32 status;
- if ((smc911x_reg_read(RX_FIFO_INF) & RX_FIFO_INF_RXSUSED) >> 16) {
- status = smc911x_reg_read(RX_STATUS_FIFO);
- pktlen = (status & RX_STS_PKT_LEN) >> 16;
+ status = smc911x_reg_read(priv, RX_FIFO_INF);
+ if (!(status & RX_FIFO_INF_RXSUSED))
+ return 0;
- smc911x_reg_write(RX_CFG, 0);
+ status = smc911x_reg_read(priv, RX_STATUS_FIFO);
+ pktlen = (status & RX_STS_PKT_LEN) >> 16;
- tmplen = (pktlen + 2+ 3) / 4;
- while (tmplen--)
- *data++ = pkt_data_pull(RX_DATA_FIFO);
+ smc911x_reg_write(priv, RX_CFG, 0);
- if (status & RX_STS_ES)
- printf(DRIVERNAME
- ": dropped bad packet. Status: 0x%08x\n",
- status);
- else
- NetReceive(NetRxPackets[0], pktlen);
+ tmplen = (pktlen + 3) / 4;
+ while (tmplen--)
+ *data++ = smc911x_reg_read(priv, RX_DATA_FIFO);
+
+ if (status & RX_STS_ES) {
+ printf(DRIVERNAME
+ ": dropped bad packet. Status: 0x%08x\n",
+ status);
+ return 0;
+ }
+
+ return pktlen;
+}
+
+#ifndef CONFIG_DM_ETH
+
+#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII)
+/* wrapper for smc911x_eth_phy_read */
+static int smc911x_miiphy_read(struct mii_dev *bus, int phy, int devad,
+ int reg)
+{
+ struct eth_device *dev = eth_get_dev_by_name(bus->name);
+ struct smc911x_priv *priv = container_of(dev, struct smc911x_priv, dev);
+ u16 val = 0;
+ int ret;
+
+ if (!dev || !priv)
+ return -ENODEV;
+
+ ret = smc911x_eth_phy_read(priv, phy, reg, &val);
+ if (ret < 0)
+ return ret;
+
+ return val;
+}
+
+/* wrapper for smc911x_eth_phy_write */
+static int smc911x_miiphy_write(struct mii_dev *bus, int phy, int devad,
+ int reg, u16 val)
+{
+ struct eth_device *dev = eth_get_dev_by_name(bus->name);
+ struct smc911x_priv *priv = container_of(dev, struct smc911x_priv, dev);
+
+ if (!dev || !priv)
+ return -ENODEV;
+
+ return smc911x_eth_phy_write(priv, phy, reg, val);
+}
+
+static int smc911x_initialize_mii(struct smc911x_priv *priv)
+{
+ struct mii_dev *mdiodev = mdio_alloc();
+ int ret;
+
+ if (!mdiodev)
+ return -ENOMEM;
+
+ strncpy(mdiodev->name, priv->dev.name, MDIO_NAME_LEN);
+ mdiodev->read = smc911x_miiphy_read;
+ mdiodev->write = smc911x_miiphy_write;
+
+ ret = mdio_register(mdiodev);
+ if (ret < 0) {
+ mdio_free(mdiodev);
+ return ret;
}
return 0;
}
+#else
+static int smc911x_initialize_mii(struct smc911x_priv *priv)
+{
+ return 0;
+}
+#endif
+
+static int smc911x_init(struct eth_device *dev, bd_t *bd)
+{
+ struct smc911x_priv *priv = container_of(dev, struct smc911x_priv, dev);
+
+ return smc911x_init_common(priv);
+}
+
+static void smc911x_halt(struct eth_device *dev)
+{
+ struct smc911x_priv *priv = container_of(dev, struct smc911x_priv, dev);
+
+ smc911x_halt_common(priv);
+}
+
+static int smc911x_send(struct eth_device *dev, void *packet, int length)
+{
+ struct smc911x_priv *priv = container_of(dev, struct smc911x_priv, dev);
+
+ return smc911x_send_common(priv, packet, length);
+}
+
+static int smc911x_recv(struct eth_device *dev)
+{
+ struct smc911x_priv *priv = container_of(dev, struct smc911x_priv, dev);
+ u32 *data = (u32 *)net_rx_packets[0];
+ int ret;
+
+ ret = smc911x_recv_common(priv, data);
+ if (ret)
+ net_process_received_packet(net_rx_packets[0], ret);
+
+ return ret;
+}
+
+int smc911x_initialize(u8 dev_num, int base_addr)
+{
+ unsigned long addrl, addrh;
+ struct smc911x_priv *priv;
+ int ret;
+
+ priv = calloc(1, sizeof(*priv));
+ if (!priv)
+ return -ENOMEM;
+
+ priv->iobase = base_addr;
+ priv->dev.iobase = base_addr;
+
+ /* Try to detect chip. Will fail if not present. */
+ ret = smc911x_detect_chip(priv);
+ if (ret) {
+ ret = 0; /* Card not detected is not an error */
+ goto err_detect;
+ }
+
+ addrh = smc911x_get_mac_csr(priv, ADDRH);
+ addrl = smc911x_get_mac_csr(priv, ADDRL);
+ if (!(addrl == 0xffffffff && addrh == 0x0000ffff)) {
+ /* address is obtained from optional eeprom */
+ priv->enetaddr[0] = addrl;
+ priv->enetaddr[1] = addrl >> 8;
+ priv->enetaddr[2] = addrl >> 16;
+ priv->enetaddr[3] = addrl >> 24;
+ priv->enetaddr[4] = addrh;
+ priv->enetaddr[5] = addrh >> 8;
+ memcpy(priv->dev.enetaddr, priv->enetaddr, 6);
+ }
+
+ priv->dev.init = smc911x_init;
+ priv->dev.halt = smc911x_halt;
+ priv->dev.send = smc911x_send;
+ priv->dev.recv = smc911x_recv;
+ sprintf(priv->dev.name, "%s-%hu", DRIVERNAME, dev_num);
+
+ eth_register(&priv->dev);
+
+ ret = smc911x_initialize_mii(priv);
+ if (ret)
+ goto err_mii;
+
+ return 1;
+
+err_mii:
+ eth_unregister(&priv->dev);
+err_detect:
+ free(priv);
+ return ret;
+}
+
+#else /* ifdef CONFIG_DM_ETH */
+
+static int smc911x_start(struct udevice *dev)
+{
+ struct eth_pdata *plat = dev_get_platdata(dev);
+ struct smc911x_priv *priv = dev_get_priv(dev);
+
+ memcpy(priv->enetaddr, plat->enetaddr, sizeof(plat->enetaddr));
+
+ return smc911x_init_common(priv);
+}
+
+static void smc911x_stop(struct udevice *dev)
+{
+ struct smc911x_priv *priv = dev_get_priv(dev);
+
+ smc911x_halt_common(priv);
+}
+
+static int smc911x_send(struct udevice *dev, void *packet, int length)
+{
+ struct smc911x_priv *priv = dev_get_priv(dev);
+ int ret;
+
+ ret = smc911x_send_common(priv, packet, length);
+
+ return ret ? 0 : -ETIMEDOUT;
+}
+
+static int smc911x_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+ struct smc911x_priv *priv = dev_get_priv(dev);
+ u32 *data = (u32 *)net_rx_packets[0];
+ int ret;
+
+ ret = smc911x_recv_common(priv, data);
+ if (ret)
+ *packetp = (void *)data;
+
+ return ret ? ret : -EAGAIN;
+}
+
+static int smc911x_bind(struct udevice *dev)
+{
+ return device_set_name(dev, dev->name);
+}
+
+static int smc911x_probe(struct udevice *dev)
+{
+ struct smc911x_priv *priv = dev_get_priv(dev);
+ unsigned long addrh, addrl;
+ int ret;
+
+ /* Try to detect chip. Will fail if not present. */
+ ret = smc911x_detect_chip(priv);
+ if (ret)
+ return ret;
+
+ addrh = smc911x_get_mac_csr(priv, ADDRH);
+ addrl = smc911x_get_mac_csr(priv, ADDRL);
+ if (!(addrl == 0xffffffff && addrh == 0x0000ffff)) {
+ /* address is obtained from optional eeprom */
+ priv->enetaddr[0] = addrl;
+ priv->enetaddr[1] = addrl >> 8;
+ priv->enetaddr[2] = addrl >> 16;
+ priv->enetaddr[3] = addrl >> 24;
+ priv->enetaddr[4] = addrh;
+ priv->enetaddr[5] = addrh >> 8;
+ }
+
+ return 0;
+}
+
+static int smc911x_ofdata_to_platdata(struct udevice *dev)
+{
+ struct smc911x_priv *priv = dev_get_priv(dev);
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+
+ pdata->iobase = devfdt_get_addr(dev);
+ priv->iobase = pdata->iobase;
+
+ return 0;
+}
+
+static const struct eth_ops smc911x_ops = {
+ .start = smc911x_start,
+ .send = smc911x_send,
+ .recv = smc911x_recv,
+ .stop = smc911x_stop,
+};
+
+static const struct udevice_id smc911x_ids[] = {
+ { .compatible = "smsc,lan9115" },
+ { }
+};
+
+U_BOOT_DRIVER(smc911x) = {
+ .name = "eth_smc911x",
+ .id = UCLASS_ETH,
+ .of_match = smc911x_ids,
+ .bind = smc911x_bind,
+ .ofdata_to_platdata = smc911x_ofdata_to_platdata,
+ .probe = smc911x_probe,
+ .ops = &smc911x_ops,
+ .priv_auto_alloc_size = sizeof(struct smc911x_priv),
+ .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+ .flags = DM_FLAG_ALLOC_PRIV_DMA,
+};
+#endif
projects / oweals / u-boot.git / blobdiff